Traceback (most recent call last):
File "/usr/local/lib/python3.4/dist-packages/pyserial-3.2.1-py3.4.egg/serial/serialposix.py", line 265, in open
PermissionError: [Errno 13] Permission denied: '/dev/ttyS0'
During handling of the above excep
tion, another exception occurred:
Traceback (most recent call last):
File "
", line 1, in
File "/usr/local/lib/python3.4/dist-packages/pyserial-3.2.1-py3.4.egg/serial/serialutil.py", line 236, in __init__
File "/usr/local/lib/python3.4/dist-packages/pyserial-3.2.1-py3.4.egg/serial/serialposix.py", line 268, in open
serial.serialutil.SerialException: [Errno 13] could not open port /dev/ttyS0: [Errno 13] Permission denied: '/dev/ttyS0'
之前没出现过这种情况,以前 用的好好的,不知道怎么回事,ttyS0权限都是rwx,求指点